<template>
  <div class="bottom-view">
    <div class="view">
      <el-card shadow="hover">
        <template v-slot:header>
          <div class="title-wrapper">关键词搜索</div>
        </template>
        <template>
          <div class="chart-wrapper">
            <div class="chart-inner">
              <div class="chart">
                <div class="chart-title">搜索用户数</div>
                <div class="chart-data">120</div>
                <v-chart :options="searchUserOption" />
              </div>
              <div class="chart">
                <div class="chart-title">搜索量</div>
                <div class="chart-data">150</div>
                <v-chart :options="searchNumberOption" />
              </div>
            </div>
            <div class="table-wrapper">
              <el-table :data="tableData">
                <el-table-column prop="rank" label="排名" />
                <el-table-column prop="keyword" label="关键词" />
                <el-table-column prop="count" label="总搜索量" />
                <el-table-column prop="users" label="搜索用户数" />
                <el-table-column prop="range" label="搜索占比" />
              </el-table>
              <el-pagination
                layout="prev, pager, next"
                :total="100"
                :page-size="4"
                background
                @current-change="onPageChange"
              />
            </div>
          </div>
        </template>
      </el-card>
    </div>
    <div class="view">
      <el-card shadow="hover">
        <template v-slot:header>
          <div class="title-wrapper">
            <div class="title">分类销售排行</div>
            <div class="radio-wrapper">
              <el-radio-group
                v-model="radioSelect"
                size="small"
              >
                <el-radio-button label="品类"></el-radio-button>
                <el-radio-button label="商品"></el-radio-button>
              </el-radio-group>
            </div>
          </div>
        </template>
        <template>
          <div class="chart-wrapper">
            <v-chart :options="categoryOptions" />
          </div>
        </template>
      </el-card>
    </div>
  </div>
</template>

<script>
const colors = ['#8d7fec', '#5085f2', '#f8726b', '#e7e702', '#78f283', '#4bc1fc']
export default {
  data() {
    return {
      searchUserOption: {
        xAxis: {
          type: "category",
          boundaryGap: false,
        },
        yAxis: {
          show: false,
        },
        tooltip: {},
        series: [
          {
            type: "line",
            data: [100, 150, 200, 250, 200, 150, 50, 100],
            areaStyle: {
              color: "rgba(95,187,255,.5)",
            },
            lineStyle: {
              color: "rgb(95,187,255)",
            },
            itemStyle: {
              opacity: 0, // 隐藏掉
            },
            smooth: true,
          },
        ],
        grid: {
          top: 0,
          left: 0,
          bottom: 0,
          right: 0,
        },
      },
      searchNumberOption: {},
      tableData: [
        {
          id: 1,
          rank: 1,
          keyword: "北京",
          count: 100,
          users: 90,
          range: "90%",
        },
      ],
      totalData: [],
      total: 0,
      pageSize: 4,
      userCount: 0,
      searchCount: 0,
      radioSelect: "品类",
      categoryOptions: {},
    };
  },
  methods: {
    onPageChange(page) {},
    renderPieChart() {
      const mockData = [
        {
          legendname: "粉面粥店",
          value: 67,
          percent: "15.40%",
          itemStyle: {
            color: colors[0]
          },
          name: '粉面粥店 | 15.40%', // 用于图例
        },
        {
          legendname: "简餐便当",
          value: 97,
          percent: "22.30%",
          itemStyle: {
            color: colors[1]
          },
          name: '简餐便当 | 22.30%', // 用于图例
        },
        {
          legendname: "汉堡披萨",
          value: 92,
          percent: "21.15%",
          itemStyle: {
            color: colors[2]
          },
          name: '汉堡披萨 | 21.15%', // 用于图例
        },
      ];
      this.categoryOptions = {
        title: [
          {
            text: `品类分布`,
            textStyle: {
              fontSize: 14,
              color: "#666",
            },
            left: 20,
            top: 20,
          },
          {
            text: "累计订单量",
            subtext: 240,
            x: "34.5%",
            y: "42.5%",
            textStyle: {
              fontSize: 14,
              color: "#999",
            },
            subtextStyle: {
              fontSize: 28,
              color: "#333",
            },
            textAlign: "center",
          },
        ],
        series: [
          {
            name: "品类分布",
            type: "pie",
            data: mockData,
            label: {
              normal: {
                show: true,
                position: "outter",
                formatter: function (params) {
                  return params.data.legendname;
                },
              },
            },
            center: ["35%", "50%"],
            radius: ["45%", "60%"],
            labelLine: {
              normal: {
                length: 5,
                length2: 3,
                smooth: true,
              },
            },
            clockwise: false, // 顺时针，逆时针
            itemStyle: { // 各类型之间留白
              borderWidth: 4,
              borderColor: "#fff",
            },
          },
        ],
        legend: {
          type: "scroll", // 可滑动
          orient: "vertical", // 垂直方向排列
          height: 250, // 高度控制可滑动
          left: "70%",
          top: "middle", // 居中
          textStyle: { // 图例文字颜色
            color: "#8c8c8c",
          },
        },
        tooltip: { // 图形-弹层提示
          trigger: "item",
          formatter: function (params) {
            const str =
              params.seriesName +
              "<br />" +
              params.marker +
              params.data.legendname +
              "<br />" +
              "数量：" +
              params.data.value +
              "<br />" +
              "占比：" +
              params.data.percent +
              "%";
            return str;
          },
        },
      };
    },
  },
  mounted() {
    this.renderPieChart();
  },
};
</script>

<style lang="scss" scoped>
.bottom-view {
  display: flex;
  margin-top: 20px;

  .view {
    flex: 1;
    width: 50%;
    box-sizing: border-box;

    &:first-child {
      padding: 0 10px 0 0;
    }

    &:last-child {
      padding: 0 0 0 10px;
    }

    .title-wrapper {
      display: flex;
      align-items: center;
      height: 60px;
      box-sizing: border-box;
      border-bottom: 1px solid #eee;
      font-size: 14px;
      font-weight: 500;
      padding: 0 0 0 20px;

      .radio-wrapper {
        flex: 1;
        display: flex;
        justify-content: flex-end;
        padding-right: 20px;
      }
    }

    .chart-wrapper {
      display: flex;
      flex-direction: column;
      height: 452px;

      .chart-inner {
        display: flex;
        padding: 0 10px;
        margin-top: 20px;

        .chart {
          flex: 1;
          padding: 0 10px;

          .chart-title {
            color: #999;
            font-size: 14px;
          }

          .chart-data {
            font-size: 22px;
            color: #333;
            font-weight: 500;
            letter-spacing: 2px;
          }

          .echarts {
            height: 50px;
          }
        }
      }

      .table-wrapper {
        flex: 1;
        margin-top: 20px;
        padding: 0 20px 20px;

        .el-pagination {
          display: flex;
          justify-content: flex-end;
          margin-top: 15px;
        }
      }
    }
  }
}
</style>